Sony CMT-CPX1 / HCD-CPX1 Service Manual ▷ View online
HCD-CPX1
37
37
6-18. SCHEMATIC DIAGRAM – HP/SP OUT/SUB POWER Boards –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
C817
C818
C820
R991
R992
C993
C994
IC991
µPC3504
D993
D994
D992
D995
T991
C992
RY991
D991
NO991
CN990
NO992
Q991
FB801
FB802
FB803
EP801
J801
FB709
FB708
FB707
FB706
C701
C702
C703
C704
L741
L751
L721
L731
CN701
CN711
J701
NO805
0.001
0.001
0.1
10k
100k
2200
16V
100
10V
10V
10EDB40
10EDB40
10EDB40
10EDB40
0.01
250V
250V
1SS355
2P
2P
3P
2SC3624
0
0
0
0
0
0
0
470p
470p
470p
470p
2P
2P
4P
Lch-1
Lch-2
Rch-1
Rch-2
NEUTRAL
LIVE
NEUTRAL
LIVE
SUB.GND
RELAY ON
+4V REGULATOR
POWER ON/OFF
RELAY DRIVE
G
O
I
SUB POWER
TRANSFORMER
(AC IN)
SWITCHING
REGULATOR
+4V(EVER)
(CHASSIS)
PHONES
HP DET
HP R
HP GND
HP L
SPEAKER
IMPEDANCE
USE 4Ω
L
R
(Page 30)
(Page 33)
(Page 31)
(Page 33)
(Page 33)
(Page 31)
HCD-CPX1
38
38
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXD3017Q
IC103
CXA2647N-T4
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
39
HCD-CPX1
– MAIN Board –
IC101
LC75342
30
29
1
2
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
26
+
–
25
24
+
–
23 22 21
20 19 18 17
+
–
+
–
–
5
+
–
–
6
7
+
–
–
8
9
10
11 12 13 14
+
–
–
+
–
3
LOUT
LBASS2
LBASS1
LTRE
LIN
LSELO
L4
L3
L2
L1
15
NC
VSS
4
TEST
VDD
ROUT
RBASS2
RBASS1
RTRE
RIN
RSELO
R4
R3
R2
R1
16
NC
CL
DI
CE
28
+
–
RVREF
+
–
LVREF
VREF
27
NC
IC201
BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
O
UT2
O
UT1
RNF
VM
VCC
FIN
GND
RIN
– AMP Board –
IC600
CXD9743N
PWM
CLOCK
GENERATOR
(SECONDARY)
17 18 19 20 21
BCK
16
LRCK
DATA
BFVDD
BFVSS
XFSIIN
15
INIT
14
NSPMUTE
13
SCLATCH
12
SCSHIFT
11
SCDT
10
MCKSEL
4
OUTL2
5
XOVDD
3
VSSL
8
DVDD
9
DVSS
7
XOVSS
2
OUTL1
1
VDDL
CLOCK
GENERATOR
(PRIMARY)
S g P
RATE
CONVERTER
DF1
DF2
GAIN
CONTROL
LINER
INTERPOLATOR
(2 TIMES)
∆∑
INIT/
MUTE
SERIAL
CONTROL
6
XFSOOUT
22
FSOCKO
41
OUTR1
40
VSSR
39
OUTR2
38
VSUBC
42
VDDR
36
XFSOIN
35
XVSS
34
HPVDDL
33
HPOUTL1
37
XVDD
31
HPOUTL2
30
HPVDDR
29
HPOUTR1
27
HPOUTR2
28
HPVSSR
32
HPVSSL
23
FSOI
24
SFLAGO
25
TEST2
26
TEST1
40
HCD-CPX1
IC618
NJM2870F18 (TE2)
5
VIN
4
VOU
T
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC650, 680
CXD9750L
CROSS OVER
DELAY
FILTER
THERMAL
SHUT DOWN
UNDER
VOLTAGE
LOCK–OUT
HIGH SIDE
LEVEL SHIFT
PROTECTOR
CIRCUIT
PRE
DRIVER
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
-
16
INB
15
GNDB
14
VDDB
20
SB
19
OUTB
13
VDRVB
12
VBOOTB
11
VBBB
VDRVB
VBBB
17
ENB
18
DIAGB
CROSS OVER
DELAY
THERMAL
SHUT DOWN
UNDER
VOLTAGE
LOCK–OUT
HIGH SIDE
LEVEL SHIFT
PROTECTOR
CIRCUIT
PRE
DRIVER
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
6
INA
5
GNDA
4
VDDA
10
SA
9
OUTA
3
VDRVA
2
VBOOTA
1
VBBA
VDRVA
VBBA
7
ENA
8
DIAGA
VDRVA
VDRVB
VBBA
VBBB
VBBB
+
FILTER
+
-
-
VBBA
+
+ -
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